Table 2. Smartphone output power group by time cycles and daily dose

From

New Trend of Headaches among High School Students Affected by Smartphone Electromagnetic Pollution Exposures: A Time Series Study

Wanna Chongchitpaisan, Phongtape Wiwatanadate, Surat Tanprawate, Assawin Narkpongphan, Nipapon Siripon

American Journal of Public Health Research. 2019, 7(4), 161-166 doi:10.12691/ajphr-7-4-6